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+// Example 8_8
+clc;funcprot(0);
+// Given data
+W=0.250;// hp
+V=1.00;// quart of water
+p_1=14.7;// psia
+T_1=60.0;// °F
+p_2=p_1;// psia
+t=10;// min
+c=1.00;// Btu/(lbm.R)
+
+// Calculation
+V=V*(1/4)*0.13368;// ft^3
+v=0.01603;// ft^3/lbm
+m=V/v;// lbm
+Q_12bymc=0;// Btu/lbm
+T_2=T_1+Q_12bymc-((-W*t*(1/60)*(2545))/(m*c));// °F
+S_p12=m*c*log((T_2+459.67)/(T_1+459.67));// Btu/R
+printf("\nThe temperature of the water when the machine is turned off,T_2=%3.0f°F \nThe amount of entropy produced,1(S_p)2=%0.3f Btu/R",T_2,S_p12);